Leave full path in WS Editor draw list

Truncating the path leads to differences between viewing ${FILEPATH} and
printing/plotting ${FILEPATH}.  The variable does not appear to be used
elsewhere

common/plotters/common_plot_functions.cpp

@@ -75,7 +75,7 @@ void PlotDrawingSheet( PLOTTER* plotter, const PROJECT* aProject, const TITLE_BL
     drawList.SetPlotterMilsToIUfactor( iusPerMil );
     drawList.SetPageNumber( aSheetNumber );
     drawList.SetSheetCount( aSheetCount );
-    drawList.SetFileName( fn.GetFullName() );   // Print only the short filename
+    drawList.SetFileName( fn.GetFullPath() );
     drawList.SetSheetName( aSheetName );
     drawList.SetSheetPath( aSheetPath );
     drawList.SetSheetLayer( settings->GetLayerName() );